Organe de simt Flashcards

1
Q

Straturi cornee

A
Epiteliu (ESPNK)
Mbr Bowman
stroma
Mbr Descemet
Endoteliu
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2
Q

Ce tip de colagen gasim in mbr Bowman?

A

II

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3
Q

Ce sunt keratocitele?

A

fibroblaste turtite între lamele din stroma corneei

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4
Q

De ce este transparenta corneea?

A

avasculara
mod de aranjare lame de fibre de colagen (perpendicularitate intre lamele adiacente) la care contribuie si GAG (decorina+lumican)
deturgescenta stromei
jonctiuni epiteliu care nu permit trecerea solutii apoase

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5
Q

Ce structura din cornee este PAS +

A

mbr descemet

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6
Q

Ce structura se poate regenera din cornee?

A

epiteliu, mbr descemet

endoteliu (capacitate limitata)

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7
Q

Din cine e format ligamentul pectinat?

A

prelungire a mbr descemet sub sclera spre m ciliar

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8
Q

Cine realizeaza deturgescenta stromei corneei?

A

pompe de la niv endoteliului

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9
Q

Ce este lamina fusca

A

stratul profund al sclerei numit si str supracoiroidian

are celularitate bogata

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10
Q

Straturi sclerotica

A

episclerotica
scelortica p-z (capsula Tenon)
lamina fusca

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11
Q

Spatiu episcleral limite

A

intre capsula lui Tenon si str episcleral

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